. >>> more drama in the america's cup sailing race this has been a soap opera. the defending champion, oracle team usa, now accused of cheating. the america's cup international jury investigating reports oracle's ac 45 catamarans had illegal modifications during exhibition races back in 2012 and earlier this year. these boats are different from the ac 72s being used -- the ac 72s being used in the louis vuitton cup and america's cup finals being held in san francisco right now. the team's ceo said he had no knowledge of these modification bus retroactively withdrawn the team from events the modified boats actually raced in. >>> now to a preview of an exclusive investigative unit report, on the record for the first time since the series of investigative unit reports, the head of the california department of toxic substances control is answering questions. debbie ravel admits her department was not meeting its mission. the department is tasked with protecting us from polluters. >> how do you feel when people say regulators are falling down on the job? >> i would s